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<a href="util_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow-IPC: Core</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="util__fwd_8hpp.html">ipc/util/util_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="detail_2util__fwd_8hpp.html">ipc/util/detail/util_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &quot;<a class="code" href="shared__name_8hpp.html">ipc/util/shared_name.hpp</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &lt;flow/error/error.hpp&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &lt;flow/common.hpp&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#include &lt;boost/interprocess/exceptions.hpp&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceipc_1_1util.html">ipc::util</a></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>{</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">// Template implementations.</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Func&gt;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="namespaceipc_1_1util.html#abd43da87aa17031604c7906757c07d46">   34</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceipc_1_1util.html#abd43da87aa17031604c7906757c07d46">op_with_possible_bipc_exception</a>(flow::log::Logger* logger_ptr, <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code,</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span>                                     <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; misc_bipc_lib_error,</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>                                     <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">String_view</a> context,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>                                     <span class="keyword">const</span> Func&amp; func)</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>  <span class="keyword">using </span>flow::error::Runtime_error;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>  <span class="keyword">using </span>bipc::interprocess_exception;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>  <span class="keyword">using </span>boost::system::system_category;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>  <span class="keywordflow">if</span> (flow::error::exec_void_and_throw_on_error</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span>        ([&amp;](<a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* actual_err_code)</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>           { <a class="code hl_function" href="namespaceipc_1_1util.html#abd43da87aa17031604c7906757c07d46">op_with_possible_bipc_exception</a>(logger_ptr, actual_err_code, misc_bipc_lib_error, context, func); },</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>         err_code, context))</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>  {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>  }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>  <span class="comment">// else</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>  FLOW_LOG_SET_CONTEXT(logger_ptr, Log_component::S_UTIL);</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>  <span class="keywordflow">try</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>  {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>    func();</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>  }</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> interprocess_exception&amp; exc)</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>  {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    <span class="comment">/* This code is based off Bipc_mq_handle::op_with_possible_bipc_mq_exception().</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment">     * It is somewhat simpler, due to lacking the special case to do with MQs.</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment">     * @todo Unify the 2 somehow, for code reuse.</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">     *</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">     * Keeping comments light because of that.  See that method. */</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    <span class="keyword">const</span> <span class="keyword">auto</span> native_code_raw = exc.get_native_error();</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    <span class="keyword">const</span> <span class="keyword">auto</span> bipc_err_code_enum = exc.get_error_code();</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    FLOW_LOG_WARNING(<span class="stringliteral">&quot;bipc threw interprocess_exception; will emit some hopefully suitable Flow-IPC Error_code; &quot;</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>                     <span class="stringliteral">&quot;but here are all the details of the original exception: native code int &quot;</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>                     <span class="stringliteral">&quot;[&quot;</span> &lt;&lt; native_code_raw &lt;&lt; <span class="stringliteral">&quot;]; bipc error_code_t enum-&gt;int &quot;</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>                     <span class="stringliteral">&quot;[&quot;</span> &lt;&lt; <span class="keywordtype">int</span>(bipc_err_code_enum) &lt;&lt; <span class="stringliteral">&quot;]; message = [&quot;</span> &lt;&lt; exc.what() &lt;&lt; <span class="stringliteral">&quot;]; &quot;</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>                     <span class="stringliteral">&quot;context = [&quot;</span> &lt;&lt; context &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    <span class="keywordflow">if</span> (native_code_raw != 0)</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>    {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>      <span class="keyword">const</span> <span class="keyword">auto</span>&amp; sys_err_code = *err_code = <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>(native_code_raw, system_category());</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>      FLOW_ERROR_SYS_ERROR_LOG_WARNING();</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>      <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>    }</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    *err_code = misc_bipc_lib_error; <span class="comment">// The earlier WARNING is good enough.</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>  }</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>  <span class="comment">// Got here: all good.</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>  err_code-&gt;clear();</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>} <span class="comment">// op_with_possible_bipc_exception()</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Handle_name_func&gt;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="namespaceipc_1_1util.html#a49b39ceb74614b5f2d26dd86fd71bcb3">   90</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceipc_1_1util.html#a49b39ceb74614b5f2d26dd86fd71bcb3">for_each_persistent_impl</a>(<span class="keyword">const</span> fs::path&amp; persistent_obj_dev_dir_path, <span class="keyword">const</span> Handle_name_func&amp; handle_name_func)</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>{</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>  <span class="keyword">using </span>fs::directory_iterator;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>  assert(persistent_obj_dev_dir_path.is_absolute() &amp;&amp; <span class="stringliteral">&quot;Expecting absolute path like /dev/shm (by contract).&quot;</span>);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>  <span class="comment">/* We could use directory_options::skip_permission_denied =&gt; no error if lack permissions for `ls D`; but other</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">   * errors are still possible, and we promised to ignore them.  So simply do ignore them: eat the Error_code</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">   * and let persistent_obj_dev_dir = &lt;the end iterator&gt;.  E.g., if there is no error but no contents either,</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">   * it&#39;ll equal &lt;the end interator&gt; equivalently. */</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a> sink;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; dir_entry : directory_iterator(persistent_obj_dev_dir_path, sink))</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>  {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    <span class="comment">/* In Linux, e.g., /dev/shm/&lt;some pool&gt; is (despite the odd nature of /dev/shm) to be listed as a regular file.</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment">     * We skip anything else including:</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment">     *   - directories (should not exist but who knows?);</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment">     *   - symlinks (ditto);</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">     *   - anything else like sockets or other odd things (ditto);</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">     *   - situation where it could not be determined for some error reason.  (Subtlety: directory_entry is, for</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">     *     optimization, supposed to already store the status before we call is_regular_file(), hence no new</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">     *     system call occurs therein, but the stored status itself could contain an error.  Anyway we simply skip</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">     *     any non-vanilla situation, so whatever.)  (Subtlety 2: std::filesystem::directory_entry specifies</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">     *     its own .is_regular_file(), but boost.fs lacks this; though the latter is described in terms of</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">     *     of the free function anyway; so meh.) */</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="preprocessor">#ifndef FLOW_OS_LINUX</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>    <span class="keyword">static_assert</span>(<span class="keyword">false</span>, <span class="stringliteral">&quot;We rely on Linux /dev/... (etc.) semantics, where the object-mapped files &quot;</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>                           <span class="stringliteral">&quot;are classified as regular files.&quot;</span>);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a> err_code;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    <span class="keyword">const</span> <span class="keyword">auto</span> dir_entry_status = dir_entry.status(err_code);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    <span class="keywordflow">if</span> (err_code || !fs::is_regular_file(dir_entry_status))</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    {</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>      <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    }</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    handle_name_func(<a class="code hl_function" href="classipc_1_1util_1_1Shared__name.html#a48f20b7b54490aa10dc64081d34c55b2">Shared_name::ct</a>(dir_entry.path().filename().native()));</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>  } <span class="comment">// for (dir_entry)</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>} <span class="comment">// for_each_persistent_impl()</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Handle_name_func&gt;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="namespaceipc_1_1util.html#a74135195ff6c2f840092c21e522f964a">  131</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceipc_1_1util.html#a74135195ff6c2f840092c21e522f964a">for_each_persistent_shm_pool</a>(<span class="keyword">const</span> Handle_name_func&amp; handle_name_func)</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>{</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="preprocessor">#ifndef FLOW_OS_LINUX</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>  <span class="keyword">static_assert</span>(<span class="keyword">false</span>, <span class="stringliteral">&quot;This method relies on/has been tested only with Linux /dev/shm semantics.&quot;</span>);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>  <a class="code hl_function" href="namespaceipc_1_1util.html#a49b39ceb74614b5f2d26dd86fd71bcb3">for_each_persistent_impl</a>(<span class="stringliteral">&quot;/dev/shm&quot;</span>, handle_name_func);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>}</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>} <span class="comment">// namespace ipc::util</span></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_a48f20b7b54490aa10dc64081d34c55b2"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#a48f20b7b54490aa10dc64081d34c55b2">ipc::util::Shared_name::ct</a></div><div class="ttdeci">static Shared_name ct(const Source &amp;src)</div><div class="ttdoc">Copy-constructs from a char-sequence container (including string, util::String_view,...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00674">shared_name.hpp:674</a></div></div>
<div class="ttc" id="adetail_2util__fwd_8hpp_html"><div class="ttname"><a href="detail_2util__fwd_8hpp.html">util_fwd.hpp</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html"><div class="ttname"><a href="namespaceipc_1_1util.html">ipc::util</a></div><div class="ttdoc">Flow-IPC module containing miscellaneous general-use facilities that ubiquitously used by ~all Flow-I...</div><div class="ttdef"><b>Definition:</b> <a href="default__init__allocator_8hpp_source.html#l00023">default_init_allocator.hpp:24</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a49b39ceb74614b5f2d26dd86fd71bcb3"><div class="ttname"><a href="namespaceipc_1_1util.html#a49b39ceb74614b5f2d26dd86fd71bcb3">ipc::util::for_each_persistent_impl</a></div><div class="ttdeci">void for_each_persistent_impl(const fs::path &amp;persistent_obj_dev_dir_path, const Handle_name_func &amp;handle_name_func)</div><div class="ttdoc">Implementation of Persistent_object::for_each_persistent(); for example see shm::classic::Pool_arena:...</div><div class="ttdef"><b>Definition:</b> <a href="util_8hpp_source.html#l00090">util.hpp:90</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a74135195ff6c2f840092c21e522f964a"><div class="ttname"><a href="namespaceipc_1_1util.html#a74135195ff6c2f840092c21e522f964a">ipc::util::for_each_persistent_shm_pool</a></div><div class="ttdeci">void for_each_persistent_shm_pool(const Handle_name_func &amp;handle_name_func)</div><div class="ttdoc">Equivalent to shm::classic::Pool_arena::for_each_persistent().</div><div class="ttdef"><b>Definition:</b> <a href="util_8hpp_source.html#l00131">util.hpp:131</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_abd43da87aa17031604c7906757c07d46"><div class="ttname"><a href="namespaceipc_1_1util.html#abd43da87aa17031604c7906757c07d46">ipc::util::op_with_possible_bipc_exception</a></div><div class="ttdeci">void op_with_possible_bipc_exception(flow::log::Logger *logger_ptr, Error_code *err_code, const Error_code &amp;misc_bipc_lib_error, String_view context, const Func &amp;func)</div><div class="ttdoc">Internal (to ipc) utility that invokes the given function that invokes a boost.interprocess operation...</div><div class="ttdef"><b>Definition:</b> <a href="util_8hpp_source.html#l00034">util.hpp:34</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_ae6ac47812a90d1287c61e0b7de7bc4f5"><div class="ttname"><a href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">ipc::util::String_view</a></div><div class="ttdeci">flow::util::String_view String_view</div><div class="ttdoc">Short-hand for Flow's String_view.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00115">util_fwd.hpp:115</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa3192e586cc45d3e7c22463bf2760f89"><div class="ttname"><a href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">ipc::Error_code</a></div><div class="ttdeci">flow::Error_code Error_code</div><div class="ttdoc">Short-hand for flow::Error_code which is very common.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00298">common.hpp:298</a></div></div>
<div class="ttc" id="ashared__name_8hpp_html"><div class="ttname"><a href="shared__name_8hpp.html">shared_name.hpp</a></div></div>
<div class="ttc" id="autil__fwd_8hpp_html"><div class="ttname"><a href="util__fwd_8hpp.html">util_fwd.hpp</a></div></div>
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